{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"REF5045AIDGKR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"REF5045AIDGKR","canonicalUrl":"https://icboms.com/texas-instruments/REF5045AIDGKR","factsUrl":"https://icboms.com/api/mcp/products/REF5045AIDGKR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments REF5045AIDGKR, series voltage reference, fixed 4.5V output, ±0.1% tolerance, 8 ppm/°C drift, 3 µVp-p noise, 10 mA output, 1.2 mA supply, -40°C to 125°C, 8-VSSOP package.","salesMarkdown":"## 4.5 V fixed reference with ±0.1% initial accuracy The Texas Instruments REF5045AIDGKR is a precision series voltage reference that delivers a fixed 4.5 V output with ±0.1% initial tolerance. This is the rail that sets the full-scale range for a 16-bit ADC or provides the bias for a precision DAC — the tolerance directly eats into the system error budget, so ±0.1% keeps the gain error under 1 LSB for a 12-bit converter and within a few LSBs for a 16-bit part. ## 8 ppm/°C drift and 3 µVp-p noise — the temperature and noise floor The low-frequency noise is 3 µVp-p from 0.1 Hz to 10 Hz, a spec that tells you this reference can support a 16-bit converter without a second LC filter stage on the reference input. ## Series topology and 10 mA output drive This is a series reference, not a shunt — it sources current to the load without a dropping resistor, and the output is stable with capacitive loads up to 10 µF. The 10 mA output current is enough to drive the reference input of multiple ADCs or a DAC plus a small resistive divider. Supply current is 1.2 mA typical, so the total power budget for the reference rail is under 6 mW at 5 V input. The 0.65 mm pitch means a standard fine-tip iron can touch up a joint if needed.","metaTitle":"REF5045AIDGKR 4.5V voltage reference, ±0.1%, 8 ppm/°C","metaDescription":"Texas Instruments REF5045AIDGKR series voltage reference, fixed 4.5V output, ±0.1% tolerance, 8 ppm/°C drift, 3 µVp-p noise, -40°C to 125°C, 8-VSSOP.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Tolerance":"±0.1%","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"8-TSSOP, 8-MSOP (0.118\\\", 3.00mm Width)","Product Status":"Active","Reference Type":"Series","Voltage - Input":"4.7V ~ 18V","lifecycle_stage":"eol_hot","Current - Output":"10 mA","Current - Supply":"1.2mA","Base Product Number":"REF5045","Noise - 0.1Hz to 10Hz":"3µVp-p","Noise - 10Hz to 10kHz":"-","Operating Temperature":"-40°C~125°C(TA)","Supplier Device Package":"8-VSSOP","Temperature Coefficient":"8ppm/°C","Voltage - Output (Min/Fixed)":"4.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.3700","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/REF5045AIDGKR/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/REF5045AIDGKR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/REF5045AIDGKR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}